replace ExplosionPhysicsForce script from Standard Assets with custom script

Assets/Prefabs/Explosion.prefab

@@ -23332,12 +23332,13 @@ MonoBehaviour:
   m_GameObject: {fileID: 100010}
   m_Enabled: 1
   m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 0ac1691131a8c844dafe8b6ace6a172a, type: 3}
+  m_Script: {fileID: 11500000, guid: 788838a8a852c8843ac90fb32e785378, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
   explosionForce: 6
   upwardsModifier: 2.5
   radius: 10
+  explosionMultiplier: 1
 --- !u!114 &11400000
 MonoBehaviour:
   m_ObjectHideFlags: 0

Assets/Scripts/Behaviours/Vehicles/Vehicle_Damage.cs

@@ -1,7 +1,6 @@
 using System.Linq;
 using SanAndreasUnity.Utilities;
 using UnityEngine;
-using UnityStandardAssets.Effects;
 
 namespace SanAndreasUnity.Behaviours.Vehicles
 {
@@ -196,7 +195,7 @@ namespace SanAndreasUnity.Behaviours.Vehicles
 
             // modify strength of explosion based on vehicle mass
             float forceFactor = Mathf.Sqrt(this.HandlingData.Mass) / Mathf.Sqrt(1500f);
-            var physicsForce = explosionGo.GetComponentOrThrow<ExplosionPhysicsForce>();
+            var physicsForce = explosionGo.GetComponentOrThrow<ExplosionForce>();
             physicsForce.explosionForce *= forceFactor;
             physicsForce.upwardsModifier *= forceFactor;
 

Assets/Scripts/Utilities/ExplosionForce.cs

@@ -0,0 +1,68 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace SanAndreasUnity.Utilities
+{
+
+    public class ExplosionForce : MonoBehaviour
+    {
+        public float explosionForce = 4;
+        public float upwardsModifier = 1f;
+        public float radius = 10f;
+        public float explosionMultiplier = 1f;
+
+
+        private IEnumerator Start()
+        {
+            // wait one frame because some explosions instantiate debris which should then
+            // be pushed by physics force
+            yield return null;
+
+            float multiplier = this.explosionMultiplier;
+
+            float r = radius * multiplier;
+            var cols = Physics.OverlapSphere(this.transform.position, r);
+
+            var rigidbodies = new Dictionary<Rigidbody, List<Collider>>();
+            foreach (var col in cols)
+            {
+                if (col.attachedRigidbody != null)
+                {
+                    if (rigidbodies.ContainsKey(col.attachedRigidbody))
+                    {
+                        rigidbodies[col.attachedRigidbody].Add(col);
+                    }
+                    else
+                    {
+                        rigidbodies.Add(col.attachedRigidbody, new List<Collider>() { col });
+                    }
+                }
+            }
+
+            foreach (var pair in rigidbodies)
+            {
+                Rigidbody rb = pair.Key;
+                var colliders = pair.Value;
+
+                // apply higher force on objects with higher mass
+                float massFactor = Mathf.Pow(rb.mass, 0.95f);
+
+                foreach (var collider in colliders)
+                {
+                    Vector3 closestPointOnCollider = collider.ClosestPoint(this.transform.position);
+
+                    Vector3 diff = closestPointOnCollider - this.transform.position;
+                    float distance = diff.magnitude;
+                    float distanceFactor = Mathf.Sqrt(1.0f - Mathf.Clamp01(distance / r));
+
+                    rb.AddForceAtPosition((diff.normalized * explosionForce + Vector3.up * upwardsModifier) * multiplier * distanceFactor * massFactor / colliders.Count, closestPointOnCollider, ForceMode.Impulse);
+
+                }
+
+            }
+
+        }
+    }
+
+}

Assets/Scripts/Utilities/ExplosionForce.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 788838a8a852c8843ac90fb32e785378
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/UnityStandardAssets

@@ -1 +1 @@
-Subproject commit 7d389408a769011a2e91804845ad4d59ee7b8125
+Subproject commit c0da37a7b71ef0f6bb492388893dca6db94014ad